* UpdateManager/backend/__init__.py: - switch to aptdaemon as install backend by default (unless the user has UPDATE_MANAGER_FORCE_BACKEND_SYNAPTIC in his environment) - merged lp:~glatzor/update-manager/ubuntu-glatzor (many thanks!) * DistUpgrade/DistUpgradeController.py: - use pockets from DistUpgrade.cfg instead of hard-coding them * tests/test_sources_list.py: - update tests * UpdateManager/Core/utils.py: - fix url_downloadable and add tests, based on the patch from Paulo Albuquerque, many thanks (LP: #396187) * UpdateManager/UpdateManager.py: - fix typo (thanks to seb128) * DistUpgrade/mirrors.cfg: - support upgrades when sources.list uses the new mirror://mirrors.ubuntu.com/mirrors.txt uri * UpdateManager/GtkProgress.py: - do not open a cache open progress window, instead show the progress inline in the window